package cy.security.demo.web.filter;

import javax.servlet.*;
import java.io.IOException;

/**
 * @Author: ciyuan
 * @Date: 2019/5/5 22:56
 */
//@Component
public class TimeFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.out.println("time filter init");
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        System.out.println("time filter start");
        long start = System.currentTimeMillis();

        filterChain.doFilter(servletRequest, servletResponse);
        System.out.println("time filter:" + (System.currentTimeMillis() - start));
        System.out.println("time filter finish");
    }

    @Override
    public void destroy() {
        System.out.println("time filter destroy");
    }
}
